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Heart|Lab Grown|IGI

4.02ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG780667820

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG780667820

Diamond specifications and retailer prices

From $6,045 AUD
$4,246 USD
As of October 31, 2026
Save $31,097 AUD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $37,142 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.02ct lab-grown heart diamond

This 4.02ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780667820 or 780667820. Listed at 20 retailers as of October 31, 2026, with prices from $6,045 to $37,142, a $31,097 spread on the same certified stone. Do Amore Diamonds lists it at $37,142. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.02
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780667820
Dimensions11.20 × 9.36 × 6.57 mm
L/W Ratio1.20
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.20 mm9.36 mm4.02 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780667820
Side View
Table 55.0%Crown 34.6°Girdle: STK-THKPavilion 39.1°Culet: NoneDepth 58.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $37,142 AUD|Low: $5,721 AUD|High: $49,228 AUD|Avg: $18,045 AUD|-24.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 6$6,045 AUD
Retailer 8$6,264 AUD
Retailer 13$6,470 AUD
Retailer 7$7,615 AUD
Retailer 11$8,304 AUD
Retailer 2$8,866 AUD
Retailer 14$8,939 AUD
Retailer 10$14,386 AUD
Retailer 9$14,708 AUD
Retailer 4$15,362 AUD
Retailer 3$17,236 AUD
Retailer 5$24,585 AUD
Retailer 12$27,219 AUD
Retailer 15$30,781 AUD
Do Amore Diamonds$37,142 AUD

33 data points across 15 retailers

20 retailers$6,045 AUD to $37,142 AUD

A
Cheapest Retailer
-
$6,045 AUD
$4,246 USD
Final sale: no returns
A
Retailer 2
-
$6,264 AUD
$4,400 USD
View
A
Retailer 3
-
$6,470 AUD
$4,545 USD
View
Retailer 4
-
$6,564 AUD
$4,611 USD
View
Price last confirmed 23 days ago
Retailer 5
-
$6,880 AUD
$4,833 USD
View
Price last confirmed 32 days ago
Retailer 6
-
$7,615 AUD
$5,349 USD
View
Price last confirmed 28 days ago
Retailer 7
-
$7,615 AUD
$5,349 USD
View
Price last confirmed 19 days ago
A
Retailer 8
-
$8,304 AUD
$5,833 USD
View
A
Retailer 9
-
$8,866 AUD
£4,904 GBP
View
A
Retailer 10
-
$8,939 AUD
$6,279 USD
View
Retailer 11
-
$9,978 AUD
$7,009 USD
View
Price last confirmed 30 days ago
B+
Retailer 12
-
$14,386 AUD
£7,957 GBP
View
B+
Retailer 13
-
$14,708 AUD
ZAR 166,910 ZAR
View
B+
Retailer 14
-
$15,362 AUD
$10,791 USD
View
B+
Retailer 15
-
$17,236 AUD
$12,107 USD
View
B+
Retailer 16
-
$24,585 AUD
$17,270 USD
View
B
Retailer 17
-
$27,219 AUD
$19,120 USD
View
Retailer 18
-
$27,219 AUD
$19,120 USD
View
Price last confirmed 19 days ago
B+
Retailer 19
-
$30,781 AUD
$21,622 USD
View
Most Expensive
B
Do Amore Diamonds
27-F50412EF9 · Oct 31
$37,142 AUD
$26,090 USD
View
19 more retailers have this diamond
Prices start from $6,045 AUDSave up to $31,097 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
4.02ct Heart
$6,045 AUD